The funeral of the woman who died suddenly in Coagh takes place this morning (Mon).
Police are now investigating the sudden death of the victim who was named locally as Amy Reid.
The 21 year-old was from Coolnafranky Park in Cookstown.
Two men, aged 26 and 39, and a 32-year-old woman - were arrested in connection with drug-related enquiries. They have since been released on bail pending further enquiries.
Another man was taken to hospital following after the party.
Cookstown SDLP Councillor Tony Quinn knows the family. He says it’s been a difficult weekend for the community.....
Man injured after house and three vehicles set alight in Co Antrim
IT system for Northern Ireland schools ‘largely restored’ following cyber attack
£100 home heating oil grant to be paid out by ‘summer at earliest’
Arrest made after hot water thrown over man at Co Tyrone court
Stormont urged to address ‘catastrophe’ in hospital emergency departments